W681512
10.5.3. PCM Codes for Zero and Full Scale
μ-Law
Level
+ Full Scale
+ Zero
- Zero
- Full Scale
Sign bit
(D7)
1
1
0
0
Chord bits
(D6,D5,D4)
000
111
111
000
Step bits
(D3,D2,D1,D0)
0000
1111
1111
0000
Sign bit
(D7)
1
1
0
0
A-Law
Chord bits
(D6,D5,D4)
010
101
101
010
Step bits
(D3,D2,D1,D0)
1010
0101
0101
1010
10.5.4. PCM Codes for 0dBm0 Output
μ-Law
Sample
1
2
3
4
5
6
7
8
Sign bit
(D7)
0
0
0
0
1
1
1
1
Chord bits
(D6,D5,D4)
001
000
000
001
001
000
000
001
Step bits
(D3,D2,D1,D0)
1110
1011
1011
1110
1110
1011
1011
1110
Sign bit
(D7)
0
0
0
0
1
1
1
1
A-Law
Chord bits
(D6,D5,D4)
011
010
010
011
011
010
010
011
Step bits
(D3,D2,D1,D0)
0100
0001
0001
0100
0100
0001
0001
0100
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